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Residential (General/Single)Residential
$524,257$427 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

31 WILLIAM ST

LITTLE FALLS, NJ 07424
0
Baths
1,227 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$524K
$479K low$569K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,905 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$197,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$54,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$143,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$197,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$197,500

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.61
88
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
65
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
97
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.58 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyPASSAIC
Lot (acres)The size of the land the home sits on, from county records.0.15
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Little Falls Township Public School #1A-
Middle · Grades 5–8 · 0.8 mi
H
Passaic Valley Regional High SchoolC
High · Grades 9–12 · 1.4 mi
E
Little Falls Township Public School #2
Elementary · Grades PK–2 · 1.6 mi

District: Little Falls Township School District

Neighborhood · ZIP 07424These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.86
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.114

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.25,945
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,467 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,419
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,331
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.51 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

31 William St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 73% of homes in Little Falls 07424
  • Costs more per square foot than 83% of homes in Little Falls 07424
  • Smaller than 85% of homes in Little Falls 07424

What homes are worth in Little Falls 07424

Each bar is how many homes fall in that price range. The marker is this home.

This home
$307K$1.1M

This home is worth more than 27% of homes in Little Falls 07424.

How it measures up in Little Falls 07424

The dot is this home. The mark in the middle is the typical home in Little Falls 07424.

Estimated value$524,257
CheaperTypical $622,170Pricier

Pricier than 27% of homes nearby

Price per ft²$427
CheaperTypical $371Pricier

Pricier than 83% of homes nearby

Living area1,227 ft²
SmallerTypical 1,736 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.15 ac
SmallerTypical 0.16 acBigger

Bigger than 47% of homes nearby

Year built1955
OlderTypical 1959Newer

Newer than 47% of homes nearby

How 31 William St ranks against every home in each area.
MeasureThis homeLittle Falls 07424Passaic County
Estimated valuepricier than$524,25727% of homes32% of homes
Price per ft²pricier than$42783% of homes83% of homes
Living areabigger than1,227 ft²15% of homes17% of homes
Lot sizebigger than0.15 ac47% of homes53% of homes
Year builtnewer than195547% of homes55% of homes

About 31 William St

How much is 31 William St, Little Falls, NJ worth?

The TopHap Estimate for 31 William St, Little Falls, NJ is $524,257 as of Aug 30, 2026. The likely range is $479,441 to $569,073. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 William St, Little Falls, NJ last sell?

31 William St, Little Falls, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 31 William St, Little Falls, NJ?

31 William St, Little Falls, NJ has 1,227 square feet of living space and a 0.15-acre lot.

When was 31 William St, Little Falls, NJ built?

31 William St, Little Falls, NJ was built in 1955, making it 71 years old. The building has 1 story.

What schools serve 31 William St, Little Falls, NJ?

31 William St, Little Falls, NJ is assigned to Little Falls Township Public School #1 (middle), rated A-; Passaic Valley Regional High School (high), rated C; Little Falls Township Public School #2 (elementary). All sit in Little Falls Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31 William St, Little Falls, NJ compare to other homes in Little Falls 07424?

Among the 7,172 homes in Little Falls 07424, it is worth more than 27% of them ($524,257 against a typical $622,170), its price per square foot is higher than 83% of them ($427 against a typical $371), it is bigger than 15% of them (1,227 ft² against a typical 1,736 ft²), its lot is bigger than 47% of them (0.15 ac against a typical 0.16 ac) and it is newer than 47% of them (1955 against a typical 1959). Measured against all of Passaic County, it is worth more than 32% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 31 William St, Little Falls, NJ?

The 2025 property tax bill for 31 William St, Little Falls, NJ was $6,905. The county assessed it at $197,500.

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Assigned schools

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